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  • LM5163: What's the LM5163 supply current when device in standby mode

    TI Thinks Resolved
    Part Number: LM5163 HI Team What's the LM5163 supply current when device in standby mode(EN in 1.1V-1.5V range)? I checked and see datasheet only shows supply current when EN = GND and EN = 2.5V. Also what's the difference between the standby mode…

  • LM5163: Output voltage drops at low input with low output current

    TI Thinks Resolved
    Part Number: LM5163 Other Parts Discussed in Thread: LMR38010 Hi Team, Our customer is using LM5163 as a buck converter with an input voltage range of 6-40V (from a solar panel) to generate a 3.3V output with a max 0.5A. This 3.3V is connected to various…
    • Answered

  • LM5163: PSPICE-FOR-TI is not able to run the simulation

    Resolved
    Part Number: LM5163 Hello All, I tried to simulate the LM5163-based PSU, but the tool show some fails and I've absolutelu no idea what does it mean. Here is the project: https://disk.yandex.ru/d/NqyLxbZx7UD5Ww If somebody can help me, I'll thankful…
    • Resolved
    • Answered

  • LM5163: -48V to 5V conversion

    Resolved
    Part Number: LM5163 Other Parts Discussed in Thread: LM5001 Hi team, We need to convert +5V from a -48 V supply. We choose LM5163DDAR. Is it compatible?
    • Resolved

  • LM5163: Cin and Cout computation

    TI Thinks Resolved
    Part Number: LM5163 Hi Experts, Good day. We do have some clarifications about Eq.21 & 23 from D/S of LM5163. For Eq.21, substituting the values ΔIL (0.25A), Fsw(300kHz), and Vout_rip(0.005x12V) would not yield to 3.1uF. Same with Eq.23 Thanks…
    • Answered

  • LM5163: how to reduce Vout ripple at low load?

    Resolved
    Part Number: LM5163 Hi, I made a 54V to 5V regulator using LM5163 and it works, but I have 15% output voltage ripple at very low 5mA load. My load is always going to be low and I need to reduce the ripple to below 5%, ideally to 2-3%. Any advise how…
    • Resolved
    • Answered

  • LM5163: LM5163 Switching Frequency - Not measuring expected value

    Resolved
    Part Number: LM5163 The Switching frequency for LM5163 is based on Ron resistor: Ron = Vout (2500) / fsw We use 39K resistor (verified and measured) , and expect 320KHz switching frequency, with Vout = 5V . (Vout is measured to be 5V) Would you…
    • Resolved
    • Answered

  • LM5163: Ripple under different loads

    Resolved
    Part Number: LM5163 Hi, I'm using the LM5163DDAR as a DC/DC converter from an unregulated input voltage to +12VDC. When the output is only loaded with around 150mA, I get this high ripple voltage (400mV) and I think this comes from the fact, that…
    • Resolved
    • Answered

  • LM5163: EN/UVLO pin control

    Resolved
    Part Number: LM5163 Hi, Can I control the turning on and off of the LM5163 with a microcontroller? I would like to control the EV/UVLO pin with 3.3 V (ON), 0 V (OFF). Regards, Kamil
    • Resolved

  • LM5163: Reverse polarity protection

    TI Thinks Resolved
    Part Number: LM5163 Question from Maynard Yago relocated from a different post. In with the LM5163 DC/DC converter. Is it possible to protect this DC/DC from a reverse polarity connection with a simple diode or PMOS in series, or are there any limits…

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